What is the measure of third angle, if two angles of a triangle are 52º and 68º respectively?
What is the point where three altitudes of a triangle intersect called?
If the sides of a triangle are 3cm, 4cm and 5cm, then the given sides are the sides of which of following triangle?
What is the name of line segment joining a vertex to the mid-point of the opposite side?
A 17m ladder is placed against a wall to reach a window 15m above from the ground. What is the horizontal distance of the ladder from the foot of the wall?